CVE-2021-26957

An issue was discovered in the xcb crate through 2021-02-04 for Rust. It has a soundness violation because there is an out-of-bounds read in xcb::xproto::change_property(), as demonstrated by a format=32 T=u8 situation where out-of-bounds bytes are sent to an X server.

CVSS v3 9.8 CRITICAL
CVSS v2.0 7.5 HIGH

9.8^/10

CVSS v3 : CRITICAL

Vector :

Exploitability : 3.9 / Impact : 5.9

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

7.5^/10

CVSS v2.0 : HIGH

Vector : AV:N/AC:L/Au:N/C:P/I:P/A:P

Exploitability : 10.0 / Impact : 6.4

Access Vector NETWORK

Access Complexity LOW

Authentication NONE

Confidentiality Impact PARTIAL

Integrity Impact PARTIAL

Availability Impact PARTIAL

References

Link	Resource
https://rustsec.org/advisories/RUSTSEC-2021-0019.html	Exploit Vendor Advisory

Configurations

Configuration 1 (hide)

cpe:2.3:a:xcb_project:xcb:*:*:*:*:*:rust:*:*

History

No history.

Information

Published : 2021-02-09 23:15

Updated : 2024-02-04 21:23

NVD link : CVE-2021-26957

Mitre link : CVE-2021-26957

CVE.ORG link : CVE-2021-26957

JSON object : View

Products Affected

xcb_project

xcb

CWE

CWE-125

Out-of-bounds Read

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